|Cetti's Warbler Bird||Grasshoper Warbler Bird|
|River Warbler Bird||Savi's Warbler Bird|
|Aquatic Warbler Bird||Sedge Warbler Bird|
|Blyth's Reed Warbler Bird||Marsh Warbler Bird|
|Reed Warbler Bird||Great Reed Warbler Bird|
|Icterine Warbler Bird||Black Cap Warbler Bird|
|Garden Warbler Bird||Barred Warbler Bird|
|Lesser Whitethroat Warbler Bird||Common Whitethroat Warbler Bird|
|Dartford Warbler Bird||Greenish Warbler Bird|
|Wood Warbler Bird||Chiffchaff Warbler Bird|
|Willow Warbler Bird|
Great reed warbler bird is a larger version of the Reed Warbler, and roughly three times heavier! Great reed Warbler bird shares similar colouration to the Reed, but is a shade greyer on the uniform brown upperparts and whitish below, washed buff on the breast, flanks and vent. The face is more boldly marked, with a stronger, pale supercilium that extends behind the eye, and a darker eyestripe. The head is proportionately larger, more peaked (the crown feathers are often raised when singing) and the bill is noticeably stouter and long. The wings show a long primary projection, and the tail is long and broad. Often visible when perched up in the reeds, looking large and thrush-like.
Great reed Warbler bird is a summer migrant to our region, although it remains a scarce but annual visitor to Britain. It favours tall reeds standing in shallow water in extensive Phragmites reedbeds, often close to the edges or gaps by open water, but will also use smaller patches of reeds on ponds or along ditches and canals, and sometimes in tall reedmace. On passage it can occur in scrub and other marginal habitats.
Large in voice as well as in body, the song of Great reed Warbler bird is typically delivered from high on a tall reed stem and is a very loud collection of harsh, gruff and guttural grating, croaking and creaking notes, interspersed with high falsetto ones, similar in structure to those of the Reed Warbler although lower in frequency and often audible at great range. It is often delivered in sequences of 12-15 notes or double notes, lasting 4-6 seconds, with pauses between, as in "krra-krra-krra heuw'heuw krr'akh-krr'akh-krr'akh krrugh-krrugh kriiu-kriiu-kriiu krrr'ugh-krrr'ugh pi'eee-pi'eee ijjit-ijjit-ijjit". Some guttural and croaking call notes are also given, such as a harsh "kjack" and "krrrreck", a hard rolling churring note "krrrrr", given in anxiety, and a guttural "grrrghk".